EP3019010A1 - Herbicide combination containing pelargonic acid and defined als inhibitors - Google Patents

Herbicide combination containing pelargonic acid and defined als inhibitors

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Publication number
EP3019010A1
EP3019010A1 EP14735982.2A EP14735982A EP3019010A1 EP 3019010 A1 EP3019010 A1 EP 3019010A1 EP 14735982 A EP14735982 A EP 14735982A EP 3019010 A1 EP3019010 A1 EP 3019010A1
Authority
EP
European Patent Office
Prior art keywords
component
methyl
range
pelargonic acid
foramsulfuron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14735982.2A
Other languages
German (de)
French (fr)
Other versions
EP3019010B1 (en
Inventor
Michael Kilian
Christian MARIENHAGEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer CropScience AG
Original Assignee
Bayer CropScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to PL17179957T priority Critical patent/PL3245873T3/en
Priority to EP14735982.2A priority patent/EP3019010B1/en
Priority to EP18211227.6A priority patent/EP3488696B1/en
Priority to DK17179957.0T priority patent/DK3245873T3/en
Priority to PL14735982T priority patent/PL3019010T3/en
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Priority to EP17179957.0A priority patent/EP3245873B1/en
Publication of EP3019010A1 publication Critical patent/EP3019010A1/en
Publication of EP3019010B1 publication Critical patent/EP3019010B1/en
Application granted granted Critical
Priority to HRP20181301TT priority patent/HRP20181301T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof

Definitions

  • the present invention is in the technical field of pesticides, against unwanted plant growth, for example postemergence in sown and / or planted crops, in orchards (plantation crops), on non-cultivated areas (eg squares of residential and industrial facilities, track systems) and on Lawns can be used.
  • sequence applications are also possible.
  • the present invention relates to a herbicidal combination containing at least two herbicides and their use for controlling undesired plant growth, in particular a herbicide combination containing at least pelargonic acid and at least one ALS inhibitor selected from the group of iodosulfuron-methyl, foramsulfuron, mesosulfuron-methyl, Flazasulfuron, amidosulfuron, ethoxysulfuron and thiencarbazone-methyl.
  • Herbicidal fatty acids are known in the art (e.g., WO01 / 05472).
  • a compound of the class of ALS inhibitors inhibits the enzyme acetolactate synthase (ALS), which is responsible for the biosynthesis of branched-chain amino acids such as L-valine, L-leucine and L-isoleucine. Therefore, this class of substances - among other substance classes - according to their mechanism of action of the group of ALS (acetolactate synthase) inhibitors assigned (see also http://www.hracglobal.eom/Portals/5/moaposter.pdf).
  • sulfonylureas include (eg, see "The Pesticide Manual” 15 th Edition, British Crop Protection Council 201 1). These herbicides are commonly used on arable land for soy and cereals. These herbicides are absorbed by the roots and leaves.
  • weeds The herbicidal activity of such herbicides against harmful plants (weeds, grass weeds, cyperaceans, hereinafter also collectively referred to as "weeds" is already at a high level, but generally depends on the rate of application, the particular preparation form, each to be controlled harmful plants or the harmful plant spectrum, climatic and soil conditions, etc. Other criteria in this context are the duration of the action or the degradation rate of the herbicide, the general crop tolerance and rate of action (faster effectiveness), the spectrum of activity and behavior towards secondary crops (replication problems) or the general application flexibility (control of weeds in their various stages of growth).
  • a possible solution to the abovementioned problems may be the provision of herbicide combinations, that is to say the mixture of several herbicides and / or further components from the group of agrochemical active compounds of a different kind, as well as customary additives and formulation auxiliaries in crop protection, which contribute the desired additional properties.
  • herbicide combinations that is to say the mixture of several herbicides and / or further components from the group of agrochemical active compounds of a different kind, as well as customary additives and formulation auxiliaries in crop protection, which contribute the desired additional properties.
  • the combined use of several drugs often causes phenomena of chemical, physical or biological incompatibility, e.g. lack of stability in a common formulation, decomposition of an active substance or antagonism in the biological activity of the active ingredients. Therefore, potentially suitable combinations have to be selected and tested experimentally for their suitability, whereby negative as well as positive results can not be ruled out in advance.
  • the object of the present invention was to provide the prior art with alternative or improved pesticides.
  • this object can be achieved by the combination of pelargonic acid and at least one ALS inhibitor selected from the group of iodosulfuron-methyl, foramsulfuron, mesosulfuron-methyl, flazasulfuron, amidosulfuron, ethoxysulfuron and thiencarbazone-methyl, which in particular cooperate favorably; e.g.
  • the effectiveness of the combinations of the invention is of two active ingredients when used against weeds higher than the effects of the individual components, so there is an unpredictable, true synergistic effect and not just an effect supplement (additive effect).
  • the pelargonic acid (nonanoic acid) is a saturated fatty or carboxylic acid derived from the alkane n-nonane. It is a standard liquid alkanoic acid which is herbicidally active. Pelargonic acid is preferably used according to the invention in an unsaponified manner.
  • ALS inhibitors used according to the invention are selected from the group of iodosulfuron-methyl (IUPAC name: 4-iodo-2 - [(4-methoxy-6-methyl-1,3,5-triazin-2-yl) carbamoylsulfamoyl] benzoate, Sodium salt), foramsulfuron (IUPAC name: 1- (4,6-dimethoxypyrimidin-2yl) -3- (2-dimethylcarbamoyl-5-formamidophenylsulfonyl) urea,
  • iodosulfuron-methyl in particular the sodium salt
  • / or foramsulfuron in particular the use of iodosulfuron-methyl (especially the sodium salt) and foramsulfuron together.
  • the invention also encompasses combinations of ALS inhibitors, and in particular of two or more sulfonylureas, which complement the activity spectrum.
  • herbicide combination for the term “component (s)”, the terms “herbicide (s)”, “single herbicide (s)”, “compound (s)” or “active ingredient (s)” are used interchangeably in context.
  • the herbicide combination according to the invention may contain additional other components: for example agrochemical active substances of another type and / or additives and / or formulation auxiliaries customary in plant protection, or used together with these.
  • the use of the term “herbicide combination (s)” or “combination (s)” also includes the “herbicidal agents” thus produced.
  • the herbicide combination according to the invention contains at least pelargonic acid and at least one of the abovementioned ALS inhibitor in an effective content and / or has synergistic effects.
  • the synergistic effects can be observed, for example, when applied together, for example, as a ready-to-use formulation, co-formulation or as a tank mix, but they can also be detected in staggered application (split application, splitting) (packaged eg as a combination pack or monodose). It is also possible to use the herbicides or the herbicide combination in several portions (sequence application), for example after postemergence or early postemergence applications, followed by middle or late postemergence applications. Preference is given to the combined use of the herbicidal combination according to the invention.
  • Proton attractants including fatty acids destabilize sulfonylureas. This means that sulfonylureas and fatty acids together are not or only very difficult to formulate as a soloformulation, which places certain demands on the packaging of the plant protection product. If fatty acid and sulfonylurea are applied as a tank mix as in the tests, it must be ensured that the spray mixture is applied relatively quickly after preparation.
  • the synergistic effects allow a reduction in the application rates of the individual herbicides, a higher and / or longer potency at the same rate, the control of previously unrecognized species (gaps), the control of species that have tolerances or resistance to single or multiple herbicides, an expansion the period of application and / or a reduction in the number of individual applications required and - as a result for the user - economically and ecologically more advantageous weed control systems.
  • the application rate of the herbicidally active above-mentioned ALS inhibitor can vary in the herbicide combination according to the invention in a wide range, for example between 1 g and 200 g AS / ha, whereby a relatively broad spectrum of harmful plants is controlled.
  • the application rate is preferably in a range of 15-60 g AS / ha and more preferably between 30-60 and more preferably between 30-45 g AS / ha.
  • the application rate is preferably in a range of 1 and 10 g AS / ha and more preferably between 1 - 5 g AS / ha.
  • the application rate is preferably in a range of 7.5 and 30 g AS / ha.
  • the application rate is preferably in a range of 10 and 30 g AS / ha.
  • the application rate is preferably in a range of 10 and 50 g AS / ha.
  • the application rate is preferably in a range of 30 and 60 g AS / ha.
  • the Auiwandmenge is preferably in a range of 60 and 200g AS / ha.
  • Areas for suitable proportions of the pelargonic acid and the herbicidally active ALS inhibitor can be found e.g. from the stated application rates for the individual substances. In the combination according to the invention, the application rates can be reduced as a rule.
  • the weight ratio (A) :( B) of the components (A) and (B) is generally in the range of 30,000: 1 to 12,5: 1, preferably 30,000: 1 to 50: 1.
  • the weight ratio is preferably in the range of 2000: 1 to 167: 1 and more preferably in the range of 1000: 1 to 333: 1, and more preferably in the range of 1000: 1 to 444: 1.
  • the weight ratio is preferably in a range of 30,000: 1 to 1,000: 1, and more preferably in the range of 30,000: 1 to 4,000: 1.
  • the weight ratio is preferably in a range of 4000: 1 to 333: 1.
  • the weight ratio is preferably in a range of 3000: 1 to 333: 1.
  • the weight ratio is preferably in a range from 3000: 1 to 200: 1.
  • the weight ratio is preferably in a range of 1000: 1 to 167: 1.
  • the weight ratio is preferably in a range of 500: 1 to 50: 1.
  • herbicide combinations which, in addition to the combination according to the invention, also contain one or more further agrochemical active substances which likewise have the function of a selective herbicide.
  • Particularly preferred is the use of the combination of pelargonic acid and at least two of the above-mentioned ALS inhibitors preferably of foramsulfuron and iodosulfuron simultaneously.
  • pelargonic acid with foramsulfuron and iodosulfuron-methyl in particular the sodium salt
  • 1 (one) part by weight of iodosulfuron-methyl accounts for 15-60 parts by weight of the active substance foramsulfuron and 2500-30,000 (preferably 10000-30,000, particularly preferably 10,000- 15,000) parts by weight of the pelargonic acid.
  • pelargonic acid 10000 g-15000 g AS / ha
  • the herbicide combination according to the invention can be used as additional further components various agrochemical active ingredients, for example from the group of safeners, fungicides, insecticides, acaricides, nematicides, bird repellants, soil conditioners, plant nutrients (fertilizers) and structurally from the herbicidally active compounds used in the invention differing herbicides and plant growth regulators or from the group of customary in plant protection additives and formulation auxiliaries.
  • the active compound combinations according to the invention have very good herbicidal properties and can be used for controlling weeds. Weeds here are all plants that grow in places where they are undesirable.
  • the active compound combinations according to the invention may e.g. to be used in the following plants: - Dicotyledonous weeds of the genera: Cassia, Sinapis, Lepidium, Galium, Stellaria, Matricaria,
  • Galinsoga Chenopodium, Urtica, Senecio, Amaranthus, Portulaca, Xanthium, Convolvulus, Ipomoea, Polygonum, Sesbania, Ambrosia, Cirsium, Carduus, Sonchus, Solanum, Rorippa, Rotala, Linderia, Lamium, Veronica, Abutilon, Emex, Datura, Viola, Galeopsis, Papaver, Centaurea, Trifolium, Ranunculus, Sphenoclea, Taraxacum, Plantago, Epilobium, Rubus, Achillea, Rumex, Lotus, Bellis.
  • the active compound combinations according to the invention can preferably be used as total herbicides for controlling weeds, e.g. in particular on non-cultivated areas such as paths, squares and under trees and shrubs, track systems, etc.
  • the active compound combinations according to the invention are distinguished by a particularly rapid onset and long-lasting action.
  • the herbicidal combination of the invention may be prepared by known methods, e.g. be prepared as mixed formulations of the individual components, optionally with other active ingredients, additives and / or customary formulation auxiliaries, which are then diluted with water for use in the usual way, or prepared as so-called tank mixes by co-diluting the separately formulated or partially separately formulated components with water become. Also possible is the staggered use (split application, splitting) of the separately formulated or partially separately formulated individual components. It is also possible to use the herbicides or herbicide combination in several portions (sequence application), e.g. post-emergence or post-emergence applications, followed by mid-late post-emergence applications. Preference is given to the joint use of the active ingredients of the respective combination.
  • a preferred variant of the invention relates to methods for controlling weeds, wherein component (A) and component (B) of the herbicide combination according to the invention are mixed together just prior to application to the weeds and / or their habitat.
  • component (A) and component (B) are preferably mixed together less than 6 hours, more preferably less than 3 hours, and even more preferably less than 1 hour before application to the weeds and / or their habitat and the at least one ALS inhibitor used according to the invention is transferred together or separately into customary formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, active substance-impregnated natural and synthetic substances, ultra-fine encapsulations in polymeric substances
  • customary formulations such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, active substance-impregnated natural and synthetic substances, ultra-fine encapsulations in polymeric substances
  • Formulations can be the usual auxiliary and Zusat contain substances.
  • formulations are prepared in a known manner, for example by mixing the active compounds with extenders, ie liquid solvents, liquefied gases under pressure and / or solid carriers, optionally with the use of surface-active agents, ie emulsifiers and / or dispersants and / or foam-forming agents.
  • extenders ie liquid solvents, liquefied gases under pressure and / or solid carriers
  • surface-active agents ie emulsifiers and / or dispersants and / or foam-forming agents.
  • organic solvents can also be used as auxiliary solvent.
  • Suitable liquid solvents are essentially: aromatics, such as xylene, toluene, alkylnaphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chloroethylenes or methylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example petroleum fractions, mineral and vegetable oils, alcohols, such as butanol or glycol and their ethers and esters, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethylformamide or dimethyl sulfoxide, and water.
  • aromatics such as xylene, toluene, alkylnaphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chloroethylenes or methylene chloride
  • Suitable solid carriers are: e.g. Ammonium salts and ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth, and ground synthetic minerals, such as fumed silica, alumina and silicates; suitable solid carriers for granules are: e.g. crushed and fractionated natural rocks such as calcite, marble, pumice, sepiolite, dolomite and synthetic granules of inorganic and organic flours and granules of organic material such as sawdust, coconut shells, corn cobs and tobacco stalks; suitable emulsifiers and / or foam formers are: e.g.
  • nonionic and anionic emulsifiers such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, e.g. Alkylaryl polyglycol ethers, alkylsulfonates, alkylsulfates, arylsulfonates and protein hydrolysates; suitable dispersants are: e.g. Ligninsulfitablaugen and methylcellulose.
  • Adhesives such as carboxymethylcellulose, natural and synthetic, powdery, granular or latex polymers may be used in the formulations, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, as well as natural phospholipids such as cephalins and lecithins and synthetic phospholipids.
  • Other additives may be mineral and vegetable oils.
  • Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc.
  • inorganic pigments e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc.
  • the formulations generally contain between 0.1 and 95 weight percent (wt%) of active ingredient, preferably between 0.2 and 90 wt%.
  • the herbicide combination according to the invention in the form of its formulations or the use forms prepared therefrom by further dilution, such as ready-to-use solutions, Suspensions, emulsions, powders, pastes and granules are applied.
  • the application is done in the usual way, eg by pouring, spraying, spraying, spreading.
  • the active compound combinations according to the invention are generally used in the form of finished formulations.
  • the active ingredients contained in the drug combinations may also be mixed as individual formulations in the application, i. in the form of tank mixes are used.
  • a synergistic effect is always present in herbicides if the herbicidal action of the active ingredient combination is greater than that of the individual active substances applied.
  • E2 the expected damage from the herbicides (A) and (B) and (C)
  • the combination is over-additive in its effect, that is, exhibits a synergistic effect.
  • the damage actually observed must be greater than the values for the expected lesions E1 or E2 calculated from the above-mentioned formulas.
  • Iodosulfuron 10WG water dispersible granule
  • Thiencarbazone 70 WG water dispersible granule non adjuvanted standard granule formulation
  • Flazasulfuron 25 WG water dispersible granule
  • Chikara commercial formulation Chikara, approved among others in Germany - holder of authorization ISK
  • Amidosulfuron 75 WG water dispersible granule
  • Ethoxysulfuron 60 WG water dispersible granule (commercial formulation SunRice, approved in Italy, among others - Bayer CropScience)
  • the drug concentrations required for the experiments are prepared by dilution with water.
  • the tested drug combinations are mixed together shortly before their biological testing.
  • Table 1 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron.
  • Table 2 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron - -
  • Table 3 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron.
  • Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron - -
  • Herbicide combination according to the invention consisting of pelargonic acid and iodosulfuron-methyl - -
  • Table 8 Herbicide combination according to the invention consisting of pelargonic acid and iodosulfuron-methyl - 5 -
  • Table 9 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 10 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 10 Inventive herbicide combination consisting of pelargonic acid and
  • Table 11 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 12 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 12 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. - 7 -
  • Table 13 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 14 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 14 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. - -
  • Table 15 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 16 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 16 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. - -
  • Table 17 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 18 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.
  • Table 18 Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

The present invention relates to a herbicide combination containing at least pelargonic acid and at least one ALS inhibitor chosen from the group of iodosulfuron-methyl, foramsulfuron, mesosulfuron-methyl, flazasulfuron, amidosulfuron, ethoxysulfuron and thiencarbazone-methyl.

Description

Herbizid-Kombination mit Pelargonsäure und bestimmten ALS-Inhibitoren  Herbicide combination with pelargonic acid and certain ALS inhibitors
Die vorliegende Erfindung liegt auf dem technischen Gebiet der Pflanzenschutzmittel, die gegen unerwünschten Pflanzenwuchs, beispielsweise im Nachauflauf in gesäten und/oder gepflanzten Kulturpflanzen, in Obstanbauanlagen (Plantagenkulturen), auf Nicht-Kulturflächen (z.B. Plätzen von Wohn- und Industrieanlagen, Gleisanlagen) und auf Rasenflächen eingesetzt werden können. Neben der einmaligen Anwendung sind auch Sequenz- Anwendungen möglich. The present invention is in the technical field of pesticides, against unwanted plant growth, for example postemergence in sown and / or planted crops, in orchards (plantation crops), on non-cultivated areas (eg squares of residential and industrial facilities, track systems) and on Lawns can be used. In addition to the single application, sequence applications are also possible.
Die vorliegende Erfindung betrifft eine Herbizid-Kombination, enthaltend mindestens zwei Herbizide und deren Anwendung zur Bekämpfung unerwünschten Pflanzenwuchses, insbesondere eine Herbizid- Kombination enthaltend mindestens Pelargonsäure und mindestens einen ALS-Inhibitor ausgewählt aus der Gruppe von Iodosulfuron-methyl, Foramsulfuron, Mesosulfuron-methyl, Flazasulfuron, Amidosulfuron, Ethoxysulfuron und Thiencarbazone-methyl. The present invention relates to a herbicidal combination containing at least two herbicides and their use for controlling undesired plant growth, in particular a herbicide combination containing at least pelargonic acid and at least one ALS inhibitor selected from the group of iodosulfuron-methyl, foramsulfuron, mesosulfuron-methyl, Flazasulfuron, amidosulfuron, ethoxysulfuron and thiencarbazone-methyl.
Herbizid-wirksame Fettsäuren sind aus dem Stand der Technik bekannt (z.B. WO01/05472). Herbicidal fatty acids are known in the art (e.g., WO01 / 05472).
Eine Verbindung aus der Substanzklasse der ALS-Inhibitoren hemmt das Enyzm Acetolactatsynthase (ALS) welches für die Biosynthese von verzweigten Aminosäuren wie L-Valin, L-Leucin und L- Isoleucin verantwortlich ist. Deshalb wird diese Substanzklasse - neben anderen Substanzklassen - entsprechend ihrem Wirkmechanismus der Gruppe der ALS (Acetolactat-Synthase) Inhibitoren zugeordnet (siehe dazu auch http://www.hracglobal.eom/Portals/5/moaposter.pdf). Zu den ALS- Inhibitoren gehören beispielsweise die Sulfonylharnstoffe (z.B. siehe auch "The Pesticide Manual" 15th, Edition, British Crop Protection Council 201 1). Diese Herbizide werden insbesondere auf Ackerflächen für Soja und Getreide häufig angewandt. Die Aufnahme dieser Herbizide erfolgt über die Wurzeln und Blätter. A compound of the class of ALS inhibitors inhibits the enzyme acetolactate synthase (ALS), which is responsible for the biosynthesis of branched-chain amino acids such as L-valine, L-leucine and L-isoleucine. Therefore, this class of substances - among other substance classes - according to their mechanism of action of the group of ALS (acetolactate synthase) inhibitors assigned (see also http://www.hracglobal.eom/Portals/5/moaposter.pdf). Among the ALS inhibitors, for example, sulfonylureas include (eg, see "The Pesticide Manual" 15 th Edition, British Crop Protection Council 201 1). These herbicides are commonly used on arable land for soy and cereals. These herbicides are absorbed by the roots and leaves.
Die herbizide Wirksamkeit von solchen Herbiziden gegen Schadpflanzen (Unkräuter, Ungräser, Cyperaceen; im Folgenden auch zusammenfassend als "Unkraut" bezeichnet) liegt bereits auf einem hohen Niveau, hängt jedoch im Allgemeinen von der Aufwandmenge, der jeweiligen Zubereitungsform, den jeweils zu bekämpfenden Schadpflanzen oder dem Schadpflanzenspektrum, den Klima- und Bodenverhältnissen, etc. ab. Weitere Kriterien in diesem Zusammenhang sind die Dauer der Wirkung bzw. die Abbaugeschwindigkeit des Herbizids, die allgemeine Kulturpflanzenverträglichkeit und Wirkungsgeschwindigkeit (schnellere Wirksamkeit), das Wirkungsspektrum und Verhalten gegenüber Folgekulturen (Nachbauprobleme) oder die allgemeine Anwendungsflexibilität (Bekämpfung von Unkräutern in ihren verschiedenen Wachstumsstadien). Zu berücksichtigen sind gegebenenfalls auch Veränderungen in der Empfindlichkeit von Schadpflanzen, die bei längerer Anwendung der Herbizide oder geographisch begrenzt auftreten können (Bekämpfung toleranter oder resistenter Unkrautarten). Wirkungsverluste bei einzelnen Pflanzen lassen sich nur bedingt durch höhere Aufwandmengen der Herbizide ausgleichen, z.B. weil damit die Selektivität der Herbizide reduziert wird oder eine Wirkungsverbesserung auch bei höherer Aufwandmenge nicht eintritt. The herbicidal activity of such herbicides against harmful plants (weeds, grass weeds, cyperaceans, hereinafter also collectively referred to as "weeds") is already at a high level, but generally depends on the rate of application, the particular preparation form, each to be controlled harmful plants or the harmful plant spectrum, climatic and soil conditions, etc. Other criteria in this context are the duration of the action or the degradation rate of the herbicide, the general crop tolerance and rate of action (faster effectiveness), the spectrum of activity and behavior towards secondary crops (replication problems) or the general application flexibility (control of weeds in their various stages of growth). If necessary, changes in the susceptibility of harmful plants, which can occur with prolonged use of the herbicides or geographically limited (control of tolerant or resistant weed species) must also be taken into account. Losses of activity in individual plants can only be compensated to a limited extent by higher application rates of the herbicides, for example because this reduces or reduces the selectivity of the herbicides Effect improvement does not occur even at higher application rate.
So besteht oft Bedarf an gezielt synergistischer Aktivität gegenüber speziellen Unkrautarten, einer Unkrautbekämpfung mit insgesamt besserer Selektivität, einem allgemein geringeren Wirkstoffeinsatz für einen gleich guten Bekämpfungserfolg und für einen geringeren Wirkstoffeintrag in die Umwelt, um beispielsweise "Leaching"- und "Carry-over"-Effekte zu vermeiden. Ebenso besteht auch Bedarf an der Entwicklung von "One shot"-Applikationen, um arbeitsaufwändige Mehrfachapplikationen zu vermeiden, ebenso wie an der Entwicklung von Systemen zur Steuerung der Wirkungsgeschwindigkeit, wobei neben einer ersten, schnellen Unkrautkontrolle auch eine langsame, residual wirkende Bekämpfung eingestellt wird. Eine mögliche Lösung für die oben genannten Probleme kann in der Bereitstellung von Herbizid- Kombinationen liegen, also der Mischung mehrerer Herbizide und/oder weiterer Komponenten aus der Gruppe agrochemischer Wirkstoffe anderer Art sowie im Pflanzenschutz üblicher Zusatzstoffe und Formulierungshilfsmitteln, welche die gewünschten zusätzlichen Eigenschaften beisteuern. Allerdings treten bei der kombinierten Anwendung mehrerer Wirkstoffe nicht selten Phänomene der chemischen, physikalischen oder biologischen Unverträglichkeit auf, z.B. mangelnde Stabilität in einer gemeinsamen Formulierung, Zersetzung eines Wirkstoffes bzw. Antagonismus in der biologischen Wirksamkeit der Wirkstoffe. Daher müssen potentiell geeignete Kombinationen gezielt ausgewählt und experimentell auf ihre Eignung hin überprüft werden, wobei negative wie positive Ergebnisse im Vorhinein nicht sicher ausgeschlossen werden können. Die Aufgabe der vorliegenden Erfindung bestand darin, dem Stand der Technik gegenüber alternative oder verbesserte Pflanzenschutzmittel zur Verfügung zu stellen. Thus, there is often a need for specifically synergistic activity with respect to particular weed species, weed control with overall better selectivity, a generally lower use of active ingredient for an equally good control result and for a lower active ingredient input into the environment, for example "leaching" and "carry over". To avoid effects. There is also a need for the development of "one shot" applications to avoid laborious multiple applications, as well as the development of rate of action control systems, in addition to a first, rapid weed control, and slow, residual control. A possible solution to the abovementioned problems may be the provision of herbicide combinations, that is to say the mixture of several herbicides and / or further components from the group of agrochemical active compounds of a different kind, as well as customary additives and formulation auxiliaries in crop protection, which contribute the desired additional properties. However, the combined use of several drugs often causes phenomena of chemical, physical or biological incompatibility, e.g. lack of stability in a common formulation, decomposition of an active substance or antagonism in the biological activity of the active ingredients. Therefore, potentially suitable combinations have to be selected and tested experimentally for their suitability, whereby negative as well as positive results can not be ruled out in advance. The object of the present invention was to provide the prior art with alternative or improved pesticides.
Überraschenderweise wurde nun gefunden, dass diese Aufgabe durch die Kombination von Pelargonsäure und mindestens einem ALS-Inhibitor ausgewählt aus der Gruppe von Iodosulfuron- methyl, Foramsulfuron, Mesosulfuron-methyl, Flazasulfuron, Amidosulfuron, Ethoxysulfuron und Thiencarbazone-methyl gelöst werden kann, die in besonders günstiger Weise zusammenwirken; z.B. wenn sie zur Bekämpfung von unerwünschtem Pflanzenwuchs in gesäten und/oder gepflanzten Kulturpflanzen, Grün-/Rasenflächen, in Obstanbauanlagen (Plantagenkulturen) oder auf Nicht- Kulturflächen (z.B. Plätzen von Wohn- und Industrieanlagen, Gleisanlagen eingesetzt werden. Überraschenderweise ist die Wirksamkeit der erfindungsgemäßen Kombinationen aus zwei Wirkstoffen beim Einsatz gegen Unkräuter höher als die Wirkungen der einzelnen Komponenten. Es liegt also ein nicht vorhersehbarer, echter synergistischer Effekt vor und nicht nur eine Wirkungsergänzung (additiver Effekt). Surprisingly, it has now been found that this object can be achieved by the combination of pelargonic acid and at least one ALS inhibitor selected from the group of iodosulfuron-methyl, foramsulfuron, mesosulfuron-methyl, flazasulfuron, amidosulfuron, ethoxysulfuron and thiencarbazone-methyl, which in particular cooperate favorably; e.g. when used to control undesired plant growth in sown and / or planted crops, lawns, orchards (plantation crops) or non-crops (eg, residential and industrial sites, railway tracks) Surprisingly, the effectiveness of the combinations of the invention is of two active ingredients when used against weeds higher than the effects of the individual components, so there is an unpredictable, true synergistic effect and not just an effect supplement (additive effect).
Die Pelargonsäure (Nonansäure) ist eine gesättigte Fett- bzw. Carbonsäure, die sich vom Alkan n-Nonan ableitet. Sie ist eine bei Standardbedingungen flüssige Alkansäure die herbizid wirksam ist. Vorzugsweise wird Pelargonsäure erfindungsgemäß unverseift eingesetzt. The pelargonic acid (nonanoic acid) is a saturated fatty or carboxylic acid derived from the alkane n-nonane. It is a standard liquid alkanoic acid which is herbicidally active. Pelargonic acid is preferably used according to the invention in an unsaponified manner.
Erfindungsgemäß eingesetzte ALS -Inhibitoren sind ausgewählt aus der Gruppe von Iodosulfuron- methyl (IUPAC Name: 4-Iodo-2-[(4-methoxy-6-methyl-l,3,5-triazin-2- yl)carbamoylsulfamoyl]benzoate, Natriumsalz), Foramsulfuron (IUPAC Name: l-(4,6- Dimethoxypyrimidin-2yl)-3-(2-dimethylcarbamoyl-5-formamidophenylsulfonyl)harnstoff, ALS inhibitors used according to the invention are selected from the group of iodosulfuron-methyl (IUPAC name: 4-iodo-2 - [(4-methoxy-6-methyl-1,3,5-triazin-2-yl) carbamoylsulfamoyl] benzoate, Sodium salt), foramsulfuron (IUPAC name: 1- (4,6-dimethoxypyrimidin-2yl) -3- (2-dimethylcarbamoyl-5-formamidophenylsulfonyl) urea,
Mesosulfuron-methyl (IUPAC Name: Methyl 2-[(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-a- (methanesulfonamido)-p-toluate), Flazasulfuron (IUPAC Name: l-(4,6-Dimethoxypyrimidin-2-yl)-3-(3- trifluoromethyl-2-pyridylsulfonyl)harnstoff), Amidosulfuron (IUPAC: 3-(4,6-Dimethoxypyrimidin-2- yl)-l-(N-methyl-N-methylsulfonyl-aminosulfonyl)harnstoff), Ethoxysulfuron (IUPAC Name: 2- ethoxyphenyl[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]sulfamate) und Thiencarbazone methyl (IUPAC Name: Methyl 4-[(4,5-dihydro-3-mehoxy-4-methyl-5-oxo-lH-l,2,4-triazol-l yl)carbonylsulfamoyl]-5-methylthiophene-3-carboxylate).  Mesosulfuron-methyl (IUPAC name: methyl 2 - [(4,6-dimethoxypyrimidin-2-ylcarbamoyl) sulfamoyl] -a- (methanesulfonamido) -p-toluate), flazasulfuron (IUPAC name: 1- (4,6-dimethoxypyrimidine) 2-yl) -3- (3-trifluoromethyl-2-pyridylsulfonyl) urea), amidosulfuron (IUPAC: 3- (4,6-dimethoxypyrimidin-2-yl) -1- (N-methyl-N-methylsulfonyl-aminosulfonyl) urea), ethoxysulfuron (IUPAC name: 2-ethoxyphenyl [(4,6-dimethoxypyrimidin-2-yl) carbamoyl] sulfamate) and thiencarbazone methyl (IUPAC name: methyl 4 - [(4,5-dihydro-3-mehoxy-4 -methyl-5-oxo-1H-l, 2,4-triazol-1-yl) carbonylsulfamoyl] -5-methylthiophene-3-carboxylate).
Besonders bevorzugt ist die Verwendung von Iodosulfuron-methyl (insbesondere das Natriumsalz) und/oder Foramsulfuron und insbesondere die Verwendung von Iodosulfuron-methyl (insbesondere das Natriumsalz) und Foramsulfuron zusammen. Die Erfindung umfasst auch Kombinationen von ALS- Inhibitoren und insbesondere von zwei oder mehr Sulfonylharnstoffen, die sich vom Wirkungsspektrum ergänzen. Particularly preferred is the use of iodosulfuron-methyl (in particular the sodium salt) and / or foramsulfuron and in particular the use of iodosulfuron-methyl (especially the sodium salt) and foramsulfuron together. The invention also encompasses combinations of ALS inhibitors, and in particular of two or more sulfonylureas, which complement the activity spectrum.
Im Folgenden werden für den Begriff "Komponente(n)" auch die Bezeichnungen "Herbizid(e)", "Einzelherbizid(e)", "Verbindung(en)" oder "Wirkstoff(e)" synonym im Kontext verwendet. Die erfindungsgemäße Herbizid-Kombination kann zusätzliche weitere Komponenten enthalten: z.B. agrochemische Wirkstoffe anderer Art und/oder im Pflanzenschutz übliche Zusatzstoffe und/oder Formulierungshilfsmittel, oder zusammen mit diesen eingesetzt werden. Im Folgenden umfasst die Verwendung des Begriffs "Herbizid-Kombination(en)" bzw. "Kombination(en)" auch die so entstandenen "herbiziden Mittel". In bevorzugter Ausführungsform enthält die erfindungsgemäße Herbizid-Kombination mindestens Pelargonsäure und mindestens einen der oben genannten ALS-Inhibitor in einem wirksamen Gehalt und/oder weist synergistische Wirkungen auf. Die synergistischen Wirkungen können z.B. bei gemeinsamer Ausbringung beispielsweise als Ready-to-Use Formulierung, Co-Formulierung oder als Tankmischung beobachtet werden, sie können jedoch auch bei zeitlich versetzter Anwendung (Splitapplikation, Splitting) festgestellt werden (abgepackt z.B. als Kombipack oder Monodosen). Möglich ist auch die Anwendung der Herbizide oder der Herbizid-Kombination in mehreren Portionen (Sequenzanwendung), z.B. nach Anwendungen im Nachauflauf oder nach frühen Nachauflaufanwendungen, gefolgt von Applikationen im mittleren oder späten Nachauflauf. Bevorzugt ist dabei die gemeinsame Anwendung der erfindungsgemäßen Herbizid-Kombination. Substanzen, die Protonen anziehen (u.a. Fettsäuren) destabilisieren Sulfonylharnstoffe. Dieses bedeutet, dass Sulfonylharnstoffe und Fettsäuren zusammen nicht oder nur sehr schwer als Soloformulierung zu formulieren sind, was gewisse Anforderungen an die Verpackung des Pflanzenschutzmittels stellt. Sollten Fettsäure und Sulfonylharnstoff wie in den Versuchen als Tankmischung ausgebracht werden, ist sicherzustellen, dass die Spritzbrühe relativ rasch nach dem Ansetzen ausgebracht wird. In the following, for the term "component (s)", the terms "herbicide (s)", "single herbicide (s)", "compound (s)" or "active ingredient (s)" are used interchangeably in context. The herbicide combination according to the invention may contain additional other components: for example agrochemical active substances of another type and / or additives and / or formulation auxiliaries customary in plant protection, or used together with these. In the following, the use of the term "herbicide combination (s)" or "combination (s)" also includes the "herbicidal agents" thus produced. In a preferred embodiment, the herbicide combination according to the invention contains at least pelargonic acid and at least one of the abovementioned ALS inhibitor in an effective content and / or has synergistic effects. The synergistic effects can be observed, for example, when applied together, for example, as a ready-to-use formulation, co-formulation or as a tank mix, but they can also be detected in staggered application (split application, splitting) (packaged eg as a combination pack or monodose). It is also possible to use the herbicides or the herbicide combination in several portions (sequence application), for example after postemergence or early postemergence applications, followed by middle or late postemergence applications. Preference is given to the combined use of the herbicidal combination according to the invention. Substances that Proton attractants (including fatty acids) destabilize sulfonylureas. This means that sulfonylureas and fatty acids together are not or only very difficult to formulate as a soloformulation, which places certain demands on the packaging of the plant protection product. If fatty acid and sulfonylurea are applied as a tank mix as in the tests, it must be ensured that the spray mixture is applied relatively quickly after preparation.
Die synergistischen Effekte erlauben eine Reduktion der Aufwandmengen der Einzelherbizide, eine höhere und/oder längere Wirkungsstärke bei gleicher Aufwandmenge, die Kontrolle bislang nicht erfasster Arten (Lücken), die Kontrolle von Arten, die Toleranzen oder Resistenzen gegenüber einzelnen oder mehreren Herbiziden aufweisen, eine Ausdehnung des Anwendungszeitraums und/oder eine Reduzierung der Anzahl notwendiger Einzelanwendungen und - als Resultat für den Anwender - ökonomisch und ökologisch vorteilhaftere Unkrautbekämpfungssysteme. The synergistic effects allow a reduction in the application rates of the individual herbicides, a higher and / or longer potency at the same rate, the control of previously unrecognized species (gaps), the control of species that have tolerances or resistance to single or multiple herbicides, an expansion the period of application and / or a reduction in the number of individual applications required and - as a result for the user - economically and ecologically more advantageous weed control systems.
Die Aufwandmenge der Pelargonsäure kann bei der erfindungsgemäßen Herbizid-Kombination in einem weiten Bereich variieren, beispielsweise soll die Aufwandmenge mindestens 2500 g AS/ha (AS/ha bedeutet dabei im Folgenden„Aktivsubstanz pro Hektar" = bezogen auf 100%igen Wirkstoff) betragen, vorzugsweise jedoch zwischen 2500 und 30000 g AS/ha, noch bevorzugter zwischen 10000 und 30000g AS/ha und am bevorzugtesten zwischen 20000 - 30000 g AS/ha. The application rate of pelargonic acid may vary within a wide range in the case of the herbicidal combination according to the invention, for example the application rate should be at least 2500 g AS / ha (AS / ha in the following refers to "active substance per hectare" = based on 100% active substance), but preferably between 2500 and 30,000 g AS / ha, more preferably between 10,000 and 30,000 g AS / ha, and most preferably between 20,000 and 30,000 g AS / ha.
Die Aufwandmenge des herbizid-wirksamen oben genannten ALS -Inhibitors kann bei der erfindungsgemäßen Herbizid-Kombination in einem weiten Bereich variieren, beispielsweise zwischen 1 g und 200 g AS/ha, wobei ein relativ breites Spektrum an Schadpflanzen bekämpft wird. Bei der Verwendung von Foramsulfuron liegt die Aufwandmenge vorzugsweise in einem Bereich von 15 - 60 g AS/ha und noch bevorzugter zwischen 30 - 60 und besonders bevorzugt zwischen 30 - 45 g AS/ha. The application rate of the herbicidally active above-mentioned ALS inhibitor can vary in the herbicide combination according to the invention in a wide range, for example between 1 g and 200 g AS / ha, whereby a relatively broad spectrum of harmful plants is controlled. When using foramsulfuron, the application rate is preferably in a range of 15-60 g AS / ha and more preferably between 30-60 and more preferably between 30-45 g AS / ha.
Bei der Verwendung von Iodosulfuron liegt die Aufwandmenge vorzugsweise in einem Bereich von 1 und 10 g AS/ha und noch bevorzugter zwischen 1 - 5 g AS/ha. Bei der Verwendung von Mesosulfuron liegt die Aufwandmenge vorzugsweise in einem Bereich von 7,5 und 30 g AS/ha. When using iodosulfuron, the application rate is preferably in a range of 1 and 10 g AS / ha and more preferably between 1 - 5 g AS / ha. When using mesosulfuron, the application rate is preferably in a range of 7.5 and 30 g AS / ha.
Bei der Verwendung von Thiencarbazone liegt die Aufwandmenge vorzugsweise in einem Bereich von 10 und 30 g AS/ha. When using thiencarbazone, the application rate is preferably in a range of 10 and 30 g AS / ha.
Bei der Verwendung von Flazasulfuron liegt die Aufwandmenge vorzugsweise in einem Bereich von 10 und 50 g AS/ha. When using flazasulfuron, the application rate is preferably in a range of 10 and 50 g AS / ha.
Bei der Verwendung von Amidosulfuron liegt die Aufwandmenge vorzugsweise in einem Bereich von 30 und 60 g AS/ha. Bei der Verwendung von Ethoxysulfuron liegt die Auiwandmenge vorzugsweise in einem Bereich von 60 und 200g AS/ha. When using amidosulfuron, the application rate is preferably in a range of 30 and 60 g AS / ha. When using ethoxysulfuron, the Auiwandmenge is preferably in a range of 60 and 200g AS / ha.
Bereiche für geeignete Mengenverhältnisse der Pelargonsäure und des herbizid-wirksamen ALS- Inhibitors ergeben sich z.B. aus den genannten Aufwandmengen für die Einzelstoffe. In der erfindungsgemäßen Kombination können die Aufwandmengen in der Regel reduziert werden. Bevorzugte Mischungsverhältnisse der Pelargonsäure (im Folgenden als Komponente„A" oder nur als „A" bezeichnet) und oben genannter herbizid-wirksamer ALS-Inhibitor (im Folgenden als Komponente „B" oder nur als „B" bezeichnet) in der erfindungsgemäße Kombination sind durch folgende Gewichtsverhältnisse charakterisiert: Das Gewichtsverhältnis (A) : (B) der Komponenten (A) und (B) liegt im Allgemeinen im Bereich von 30000 : 1 bis 12,5: 1, vorzugsweise 30000: 1 bis 50:1. Areas for suitable proportions of the pelargonic acid and the herbicidally active ALS inhibitor can be found e.g. from the stated application rates for the individual substances. In the combination according to the invention, the application rates can be reduced as a rule. Preferred mixing ratios of the pelargonic acid (hereinafter referred to as component "A" or only referred to as "A") and above-mentioned herbicidally active ALS inhibitor (hereinafter referred to as component "B" or only as "B") in the combination according to the invention The weight ratio (A) :( B) of the components (A) and (B) is generally in the range of 30,000: 1 to 12,5: 1, preferably 30,000: 1 to 50: 1.
Folgende Gewichtsverhältnisse gelten für die bevorzugten Kombinationen von Pelargonsäure plus ALS- Inhibitor. The following weight ratios apply to the preferred combinations of pelargonic acid plus ALS inhibitor.
Bei der Verwendung von Pelargonsäure und Foramsulfuron liegt das Gewichtsverhältnis vorzugsweise im Bereich von 2000: 1 bis 167:1 und noch bevorzugter im Bereich von 1000: 1 bis 333 :1 und besonders bevorzugt im Bereich von 1000: 1 bis 444: 1. When using pelargonic acid and foramsulfuron, the weight ratio is preferably in the range of 2000: 1 to 167: 1 and more preferably in the range of 1000: 1 to 333: 1, and more preferably in the range of 1000: 1 to 444: 1.
Bei der Verwendung von Pelargonsäure und Iodosulfüron liegt das Gewichtsverhältnis vorzugsweise in einem Bereich von 30000: 1 bis 1000: 1 und noch bevorzugter im Bereich von 30000: 1 bis 4000: 1. When using pelargonic acid and iodosulfuron, the weight ratio is preferably in a range of 30,000: 1 to 1,000: 1, and more preferably in the range of 30,000: 1 to 4,000: 1.
Bei der Verwendung von Pelargonsäure und Mesosulfuron liegt das Gewichtsverhältnis vorzugsweise in einem Bereich von 4000:1 bis 333:1. When using pelargonic acid and mesosulfuron, the weight ratio is preferably in a range of 4000: 1 to 333: 1.
Bei der Verwendung von Pelargonsäure und Thiencarbazone liegt das Gewichtsverhältnis vorzugsweise in einem Bereich von 3000: 1 bis 333:1. When using pelargonic acid and thiencarbazone, the weight ratio is preferably in a range of 3000: 1 to 333: 1.
Bei der Verwendung von Pelargonsäure und Flazasulfuron liegt das Gewichtsverhältnis vorzugsweise in einem Bereich von 3000:1 bis 200:1. Bei der Verwendung von Pelargonsäure und Amidosulfuron liegt das Gewichtsverhältnis vorzugsweise in einem Bereich von 1000:1 bis 167:1. When using pelargonic acid and flazasulfuron, the weight ratio is preferably in a range from 3000: 1 to 200: 1. When using pelargonic acid and amidosulfuron, the weight ratio is preferably in a range of 1000: 1 to 167: 1.
Bei der Verwendung von Pelargonsäure und Ethoxysulfuron liegt das Gewichtsverhältnis vorzugsweise in einem Bereich von 500:1 bis 50:1. When using pelargonic acid and ethoxysulfuron, the weight ratio is preferably in a range of 500: 1 to 50: 1.
Bevorzugt sind Herbizid-Kombinationen, die neben der erfindungsgemäßen Kombination, auch noch ein oder mehrere weitere agrochemische Wirkstoffe, die ebenfalls die Funktion eines selektiven Herbizides aufweisen, enthalten. Besonders bevorzugt ist die Verwendung der Kombination von Pelargonsäure sowie von mindestens zwei der oben genannten ALS-Inhibitoren vorzugsweise von Foramsulfuron und Iodosulfuron gleichzeitig. Preference is given to herbicide combinations which, in addition to the combination according to the invention, also contain one or more further agrochemical active substances which likewise have the function of a selective herbicide. Particularly preferred is the use of the combination of pelargonic acid and at least two of the above-mentioned ALS inhibitors preferably of foramsulfuron and iodosulfuron simultaneously.
Bei der besonders bevorzugten Kombination von Pelargonsäure mit Foramsulfuron und Iodosulfuron- methyl (insbesondere das Natriumsalz) entfallen auf 1 (einen) Gewichtsteil an Iodosulfuron-methyl 15- 60 Gewichtsteile vom Wirkstoff Foramsulfuron und 2500 - 30000 (bevorzugt 10000 - 30000, besonders bevorzugt 10000-15000) Gewichtsteile von der Pelargonsäure. Überraschenderweise hat sich auch insbesondere gezeigt, dass bereits geringe Mengen der Pelargonsäure (10000g-15000g AS/ha) zusammen mit Foramsulfuron und Iodosulfuron-methyl synergistische Effekte bewirken. In the particularly preferred combination of pelargonic acid with foramsulfuron and iodosulfuron-methyl (in particular the sodium salt), 1 (one) part by weight of iodosulfuron-methyl accounts for 15-60 parts by weight of the active substance foramsulfuron and 2500-30,000 (preferably 10000-30,000, particularly preferably 10,000- 15,000) parts by weight of the pelargonic acid. Surprisingly, it has also been found, in particular, that even small amounts of pelargonic acid (10000 g-15000 g AS / ha) together with foramsulfuron and iodosulfuron-methyl cause synergistic effects.
Weiterhin kann die erfindungsgemäße Herbizid-Kombination als zusätzliche weitere Komponenten verschiedene agrochemische Wirkstoffe beispielsweise aus der Gruppe der Safener, Fungizide, Insektizide, Akarizide, Nematizide, Schutzstoffen gegen Vogelfraß, Bodenstrukturverbesserungsmitteln, Pflanzennährstoffen (Düngemitteln) und sich strukturell von den erfindungsgemäß eingesetzten herbizid- wirksamen Verbindungen unterscheidenden Herbizide und Pflanzenwachstumsregulatoren oder aus der Gruppe der im Pflanzenschutz üblichen Zusatzstoffe und Formulierungshilfsmittel enthalten. Die erfindungsgemäßen Wirkstoffkombinationen besitzen sehr gute herbizide Eigenschaften und lassen sich zur Bekämpfung von Unkräutern verwenden. Unter Unkräutern sind hierbei alle Pflanzen zu verstehen, die an Orten wachsen, wo sie unerwünscht sind. Furthermore, the herbicide combination according to the invention can be used as additional further components various agrochemical active ingredients, for example from the group of safeners, fungicides, insecticides, acaricides, nematicides, bird repellants, soil conditioners, plant nutrients (fertilizers) and structurally from the herbicidally active compounds used in the invention differing herbicides and plant growth regulators or from the group of customary in plant protection additives and formulation auxiliaries. The active compound combinations according to the invention have very good herbicidal properties and can be used for controlling weeds. Weeds here are all plants that grow in places where they are undesirable.
Die erfindungsgemäßen Wirkstoffkombinationen können z.B. bei den folgenden Pflanzen verwendet werden: - Dikotyle Unkräuter der Gattungen: Cassia, Sinapis, Lepidium, Galium, Stellaria, Matricaria,The active compound combinations according to the invention may e.g. to be used in the following plants: - Dicotyledonous weeds of the genera: Cassia, Sinapis, Lepidium, Galium, Stellaria, Matricaria,
Anthemis, Galinsoga, Chenopodium, Urtica, Senecio, Amaranthus, Portulaca, Xanthium, Convolvulus, Ipomoea, Polygonum, Sesbania, Ambrosia, Cirsium, Carduus, Sonchus, Solanum, Rorippa, Rotala, Lindernia, Lamium, Veronica, Abutilon, Emex, Datura, Viola, Galeopsis, Papaver, Centaurea, Trifolium, Ranunculus, Sphenoclea, Taraxacum, Plantago, Epilobium, Rubus, Achillea, Rumex, Lotus, Bellis. Anthemis, Galinsoga, Chenopodium, Urtica, Senecio, Amaranthus, Portulaca, Xanthium, Convolvulus, Ipomoea, Polygonum, Sesbania, Ambrosia, Cirsium, Carduus, Sonchus, Solanum, Rorippa, Rotala, Linderia, Lamium, Veronica, Abutilon, Emex, Datura, Viola, Galeopsis, Papaver, Centaurea, Trifolium, Ranunculus, Sphenoclea, Taraxacum, Plantago, Epilobium, Rubus, Achillea, Rumex, Lotus, Bellis.
Monokotyle Unkräuter der Gattungen: Echinochloa, Eriochloa, Setaria, Panicum, Digitaria, Phleum, Poa, Festuca, Eleusine, Brachiaria, Lolium, Bromus, Avena, Cyperus, Sorghum, Agropyron, Cynodon, Monochoria, Fimbristylis, Sagittaria, Eleocharis, Scirpus, Paspalum, Ischaemum, Dactyloctenium, Agrostis, Alopecurus, Apera, Aegilops, Phalaris. Monocotyledonous weeds of the genera: Echinochloa, Eriochloa, Setaria, Panicum, Digitaria, Phleum, Poa, Festuca, Eleusine, Brachiaria, Lolium, Bromus, Avena, Cyperus, Sorghum, Agropyron, Cynodon, Monochoria, Fimbristylis, Sagittaria, Eleocharis, Scirpus, Paspalum , Ischemum, dactyloctenium, agrostis, alopecurus, apera, aegilops, phalaris.
Moose und Algen Moose and algae
Bei Applikation der Wirkstoffe auf die grünen Pflanzenteile im Nachauflaufverfahren tritt ebenfalls sehr rasch nach der Behandlung ein drastischer Wachstumsstop ein und die Unkrautpflanzen bleiben in dem η zum Applikationszeitpunkt vorhandenen Wachstumsstadium stehen oder sterben nach einer gewissen Zeit ganz ab, so dass auf diese Weise ein Unkrautbefall sehr früh und nachhaltig beseitigt wird. When the active ingredients are applied to the green parts of plants postemergence, a drastic growth stop also occurs very quickly after the treatment and the weed plants remain in the η growth stage existing at the time of application or die completely after a certain time, so that in this way a weed infestation is eliminated very early and sustainably.
Bevorzugt lassen sich die erfindungsgemäßen Wirkstoffkombinationen als Totalherbizide zur Bekämpfung von Unkräutern einsetzen, z.B. insbesondere auf Nicht-Kulturflächen wie Wegen, Plätzen sowie unter Bäumen und Sträuchern, Gleisanlagen usw. Die erfindungsgemäßen Wirkstoffkombinationen zeichnen sich durch eine besonders schnell einsetzende und lange anhaltende Wirkung aus. The active compound combinations according to the invention can preferably be used as total herbicides for controlling weeds, e.g. in particular on non-cultivated areas such as paths, squares and under trees and shrubs, track systems, etc. The active compound combinations according to the invention are distinguished by a particularly rapid onset and long-lasting action.
Die erfindungsgemäße Herbizid-Kombination kann nach bekannten Verfahren z.B. als Mischformulierungen der Einzelkomponenten, gegebenenfalls mit weiteren Wirkstoffen, Zusatzstoffen und/oder üblichen Formulierungshilfsmitteln hergestellt werden, die dann in üblicher Weise mit Wasser verdünnt zur Verwendung gebracht werden, oder als sogenannte Tankmischungen durch gemeinsame Verdünnung der getrennt formulierten oder partiell getrennt formulierten Komponenten mit Wasser hergestellt werden. Ebenfalls möglich ist die zeitlich versetzte Verwendung (Splitapplikation, Splitting) der getrennt formulierten oder partiell getrennt formulierten Einzelkomponenten. Möglich ist auch die Verwendung der Herbizide oder der Herbizid-Kombination in mehreren Portionen (Sequenzanwendung), z.B. im Nachauflauf oder nach frühen Nachauflaufanwendungen, gefolgt von Applikationen im mittleren oder späten Nachauflauf. Bevorzugt ist dabei die gemeinsame Verwendung der Wirkstoffe der jeweiligen Kombination. The herbicidal combination of the invention may be prepared by known methods, e.g. be prepared as mixed formulations of the individual components, optionally with other active ingredients, additives and / or customary formulation auxiliaries, which are then diluted with water for use in the usual way, or prepared as so-called tank mixes by co-diluting the separately formulated or partially separately formulated components with water become. Also possible is the staggered use (split application, splitting) of the separately formulated or partially separately formulated individual components. It is also possible to use the herbicides or herbicide combination in several portions (sequence application), e.g. post-emergence or post-emergence applications, followed by mid-late post-emergence applications. Preference is given to the joint use of the active ingredients of the respective combination.
Substanzen, die Protonen anziehen (u.a. Fettsäuren) destabilisieren Sulfonylharnstoffe. Dieses bedeutet, dass Sulfonylharnstoffe und Fettsäuren zusammen nicht oder nur sehr schwer als Soloformulierung zu formulieren sind, was gewisse Anforderungen an die Verpackung des Pflanzenschutzmittels stellt. Sollten Fettsäure und Sulfonylharnstoff wie in den Versuchen als Tankmischung ausgebracht werden, ist sicherzustellen, dass die Spritzbrühe relativ rasch nach dem Ansetzen ausgebracht wird. Eine bevorzugte Variante der Erfindung bezieht sich auf Verfahren zu Bekämpfung von Unkräutern, wobei man die Komponente (A) und die Komponente (B) der erfindungsgemäßen Herbizid-Kombination erst kurz vor Ausbringung auf die Unkräuter und/oder deren Lebensraum zusammenmischt.„Kurz vor Ausbringung" bedeutet dabei erfindungsgemäß, dass Komponente (A) und Komponente (B) vorzugsweise weniger als 6 Stunden, bevorzugter weniger als 3 Stunden und noch bevorzugter weniger als 1 Stunde vor Ausbringung auf die Unkräuter und/oder deren Lebensraum zusammengemischt werden. Ansonsten können die Pelargonsäure und der mindestens eine erfindungsgemäß eingesetzte ALS- Inhibitor gemeinsam oder getrennt in übliche Formulierungen übergeführt werden, wie Lösungen, Emulsionen, Suspensionen, Pulver, Schäume, Pasten, Granulate, Aerosole, Wirkstoff-imprägnierte Natur- und synthetische Stoffe, Feinstverkapselungen in polymeren Stoffen. Die Formulierungen können die üblichen Hilfs- und Zusatzstoffe enthalten. Diese Formulierungen werden in bekannter Weise hergestellt, z.B. durch Vermischen der Wirkstoffe mit Streckmitteln, also flüssigen Lösungsmitteln, unter Druck stehenden verflüssigten Gasen und/oder festen Trägerstoffen, gegebenenfalls unter Verwendung von oberflächenaktiven Mitteln, also Emulgiermitteln und/oder Dispergiermitteln und/oder schaumerzeugenden Mitteln. Im Falle der Benutzung von Wasser als Streckmittel könne z.B. auch organische Lösungsmittel als Hilfslösungsmittel verwendet werden. Als flüssige Lösungsmittel kommen im Wesentlichen infrage: Aromaten, wie Xylol, Toluol, Alkylnaphthaline, chlorierte Aromaten oder chlorierte aliphatische Kohlenwasserstoffe, wie Chlorbenzole, Chlorethylene, oder Methylenchlorid, aliphatische Kohlenwasserstoffe, wie Cyclohexan oder Paraffine, z.B. Erdölfraktionen, mineralische und pflanzliche Öle, Alkohole, wie Butanol oder Glykol sowie deren Ether und Ester, Ketone, wie Aceton, Methylethylketon, Methylisobutylketon oder Cyclohexanon, stark polare Lösungsmittel, wie Dimethylformamid oder Dimethylsulfoxid, sowie Wasser. Substances that attract protons (including fatty acids) destabilize sulfonylureas. This means that sulfonylureas and fatty acids together are not or only very difficult to formulate as a soloformulation, which places certain demands on the packaging of the plant protection product. If fatty acid and sulfonylurea are applied as a tank mix as in the tests, it must be ensured that the spray mixture is applied relatively quickly after preparation. A preferred variant of the invention relates to methods for controlling weeds, wherein component (A) and component (B) of the herbicide combination according to the invention are mixed together just prior to application to the weeds and / or their habitat. "Shortly before application "means according to the invention that component (A) and component (B) are preferably mixed together less than 6 hours, more preferably less than 3 hours, and even more preferably less than 1 hour before application to the weeds and / or their habitat and the at least one ALS inhibitor used according to the invention is transferred together or separately into customary formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, active substance-impregnated natural and synthetic substances, ultra-fine encapsulations in polymeric substances Formulations can be the usual auxiliary and Zusat contain substances. These formulations are prepared in a known manner, for example by mixing the active compounds with extenders, ie liquid solvents, liquefied gases under pressure and / or solid carriers, optionally with the use of surface-active agents, ie emulsifiers and / or dispersants and / or foam-forming agents. In the case of the use of water as extender, for example, organic solvents can also be used as auxiliary solvent. Suitable liquid solvents are essentially: aromatics, such as xylene, toluene, alkylnaphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chloroethylenes or methylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example petroleum fractions, mineral and vegetable oils, alcohols, such as butanol or glycol and their ethers and esters, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethylformamide or dimethyl sulfoxide, and water.
Als feste Trägerstoffe kommen in Frage: z.B. Ammoniumsalze und natürliche Gesteinsmehle, wie Kaoline, Tonerden, Talkum, Kreide, Quarz, Attapulgit, Montmorillionit oder Diatomeenerde und synthetische Gesteinsmehle, wie hochdisperse Kieselsäure, Aluminiumoxid und Silikate; als feste Trägerstoffe für Granulate kommen infrage: z.B. gebrochene und fraktionierte natürliche Gesteine wie Calcit, Marmor, Bims, Sepiolith, Dolomit sowie synthetische Granulate aus anorganischen und organischen Mehlen sowie Granulate aus organischem Material wie Sägemehl, Kokosnuß-Schalen, Maiskolben und Tabakstengel; als Emulgier- und/oder schaumerzeugende Mittel kommen infrage: z.B. nicht ionogene und anionische Emulgatoren, wie Polyoxyethylen-Fettsäureester, Polyoxyethylen- Fettalkohol-Ether, z.B. Alkylarylpolyglykolether, Alkylsulfonate, Alkylsulfate, Arylsulfonate sowie Eiweißhydrolysate; als Dispergiermittel kommen infrage: z.B. Ligninsulfitablaugen und Methylcellulose. Suitable solid carriers are: e.g. Ammonium salts and ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth, and ground synthetic minerals, such as fumed silica, alumina and silicates; suitable solid carriers for granules are: e.g. crushed and fractionated natural rocks such as calcite, marble, pumice, sepiolite, dolomite and synthetic granules of inorganic and organic flours and granules of organic material such as sawdust, coconut shells, corn cobs and tobacco stalks; suitable emulsifiers and / or foam formers are: e.g. nonionic and anionic emulsifiers, such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, e.g. Alkylaryl polyglycol ethers, alkylsulfonates, alkylsulfates, arylsulfonates and protein hydrolysates; suitable dispersants are: e.g. Ligninsulfitablaugen and methylcellulose.
Es können in den Formulierungen Haftmittel wie Carboxymethylcellulose, natürliche und synthetische, pulverige, körnige oder latexförmige Polymere verwendet werden, wie Gummiarabicum, Polyvinylalkohol, Polyvinylacetat, sowie natürliche Phospholipide, wie Kephaline und Lecithine und synthetische Phospholipide. Weitere Additive können mineralische und vegetabile Öle sein. Adhesives such as carboxymethylcellulose, natural and synthetic, powdery, granular or latex polymers may be used in the formulations, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, as well as natural phospholipids such as cephalins and lecithins and synthetic phospholipids. Other additives may be mineral and vegetable oils.
Es können Farbstoffe wie anorganische Pigmente, z.B. Eisenoxid, Titanoxid, Ferrocyanblau und organische Farbstoffe, wie Alizarin-, Azo- und Metallphthalocyaninfarbstoffe und Spurennährstoffe wie Salze von Eisen, Mangan, Bor, Kupfer, Kobalt, Molybdän und Zink verwendet werden. Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc.
Die Formulierungen enthalten im Allgemeinen zwischen 0,1 und 95 Gewichtsprozent (Gew.-%) Wirkstoff, vorzugsweise zwischen 0,2 und 90 Gew.-%. The formulations generally contain between 0.1 and 95 weight percent (wt%) of active ingredient, preferably between 0.2 and 90 wt%.
Die erfindungsgemäße Herbizid-Kombination kann als solche, in Form ihrer Formulierungen oder den daraus durch weiteres Verdünnen bereiteten Anwendungsformen, wie gebrauchsfertige Lösungen, Suspensionen, Emulsionen, Pulver, Pasten und Granulate angewandt werden. Die Anwendung geschieht in üblicher Weise, z.B. durch Gießen, Spritzen, Sprühen, Streuen. The herbicide combination according to the invention, as such, in the form of its formulations or the use forms prepared therefrom by further dilution, such as ready-to-use solutions, Suspensions, emulsions, powders, pastes and granules are applied. The application is done in the usual way, eg by pouring, spraying, spraying, spreading.
Die erfindungsgemäßen Wirkstoffkombinationen werden im Allgemeinen in Form von Fertigformulierungen zur Anwendung gebracht. Die in den Wirkstoffkombinationen enthaltenen Wirkstoffe können aber auch als Einzelformulierungen bei der Anwendung gemischt, d.h. in Form von Tankmischungen zur Anwendung gebracht werden. The active compound combinations according to the invention are generally used in the form of finished formulations. However, the active ingredients contained in the drug combinations may also be mixed as individual formulations in the application, i. in the form of tank mixes are used.
Die gute herbizide Wirkung der neuen Wirkstoffkombinationen geht aus den nachfolgenden Beispielen hervor. Während die einzelnen Wirkstoffe in der herbiziden Wirkung Schwächen aufweisen, zeigen die Kombinationen durchweg eine sehr gute Unkrautwirkung, die über eine einfache Wirkungssummierung hinausgeht. The good herbicidal action of the new active substance combinations is evident from the examples below. While the individual active substances have weaknesses in the herbicidal action, the combinations consistently show a very good weed action, which goes beyond a simple action summation.
Ein synergistischer Effekt liegt bei Herbiziden immer dann vor, wenn die herbizide Wirkung der Wirkstoffkombination größer ist als die der einzelnen applizierten Wirkstoffe. A synergistic effect is always present in herbicides if the herbicidal action of the active ingredient combination is greater than that of the individual active substances applied.
Die zu erwartende Wirkung für eine gegebene Kombination von zwei oder drei Herbiziden kann wie folgt berechnet werden (vgl. COLBY, S.R.: „Calculating synergistic and antagonistic responses of herbicide combinations", Weeds 15, Seiten 20 - 22, 1967): The expected effect for a given combination of two or three herbicides can be calculated as follows (see COLBY, S.R .: "Calculating synergistic and antagonistic responses of herbicidal combinations", Weeds 15, pages 20-22, 1967):
Wenn X = % Schädigung durch Herbizid (A) bei m g/ha Aufwandmenge,  If X =% damage by herbicide (A) at m g / ha application rate,
Y = % Schädigung durch Herbizid (B) bei n g/ha Aufwandmenge,  Y =% damage by herbicide (B) at n g / ha application rate,
Z = % Schädigung durch Herbizid (C) bei r kg/ha Aufwandmenge,  Z =% damage by herbicide (C) at r kg / ha application rate,
El = die erwartete Schädigung durch die Herbizide (A) und (B) bei  El = the expected damage from the herbicides (A) and (B) at
Aufwandmengen von m und n kg/ha und,  Application rates of m and n kg / ha and,
E2 = die erwartete Schädigung durch die Herbizide (A) und (B) und (C)  E2 = the expected damage from the herbicides (A) and (B) and (C)
bei Aufwandmengen von m und n und r kg/ha bedeutet, dann ist für eine Kombination  at application rates of m and n and r kg / ha, then is for a combination
X x Y  X x Y
E1 = X + Y - und für eine Kombination aus 3 Wirkstoffen:  E1 = X + Y - and for a combination of 3 agents:
E2 = X + Y + Z - ' ^ V ' X ^ · V \ / ) + X % Y x Z E2 = X + Y + Z - '^ V' X ^ - V \ / ) + X % Y x Z
Hi * 10000  Hi * 10000
Ist die tatsächliche Schädigung größer als berechnet, so ist die Kombination in ihrer Wirkung überadditiv, d.h., sie zeigt einen synergistischen Effekt. In diesem Fall muss die tatsächlich beobachtete Schädigung größer sein als die aus den oben angeführten Formeln errechneten Werte für erwarteten Schädigungen El bzw. E2. If the actual damage is greater than calculated, the combination is over-additive in its effect, that is, exhibits a synergistic effect. In this case, the damage actually observed must be greater than the values for the expected lesions E1 or E2 calculated from the above-mentioned formulas.
Die Erfindung wird durch die folgenden Beispiele veranschaulicht. Anwendungsbeispiele: The invention is illustrated by the following examples. Application examples:
Es werden folgende Formulierungen der involvierten Wirkstoffe benutzt: Pelargonsäure 186,7 EC (emulsifiable concentrate) The following formulations of the active ingredients involved are used: pelargonic acid 186.7 EC (emulsifiable concentrate)
Handelsformulierung Bayer Garten 3 Stunden Bio-Unkrautfrei zugelassen u.a. in Deutschland - Zulassungsinhaber W. Neudorff GmbH KG Commercial formulation Bayer Garten 3 hours certified organic weed free u.a. in Germany - holder of authorization W. Neudorff GmbH KG
Foramsulfuron 50 WG (water dispersible granule) nicht adjuvantierte Standard- Granulatformulierung Foramsulfuron 50 WG (water dispersible granule) non-adjuvanted standard granule formulation
Iodosulfuron 10WG (water dispersible granule) Iodosulfuron 10WG (water dispersible granule)
(Handelsformulierung Destiny, zugelassen u.a. in Australien - Bayer CropScience) - Mesosulfuron 75 WG (water dispersible granule) nicht adjuvantierte Standard-(Commercial formulation Destiny, approved inter alia in Australia - Bayer CropScience) - mesosulfuron 75 WG (water dispersible granule) non-adjuvanted standard
Granulatformulierung granule formulation
Thiencarbazone 70 WG (water dispersible granule) nicht adjuvantierte Standard- Granulatformulierung Thiencarbazone 70 WG (water dispersible granule) non adjuvanted standard granule formulation
Flazasulfuron 25 WG (water dispersible granule) (Handelsformulierung Chikara, zugelassen u.a. in Deutschland - Zulassungsinhaber ISKFlazasulfuron 25 WG (water dispersible granule) (commercial formulation Chikara, approved among others in Germany - holder of authorization ISK
Biosciences) Biosciences)
Amidosulfuron 75 WG (water dispersible granule) Amidosulfuron 75 WG (water dispersible granule)
(Handelsformulierung Hoestar, zugelassen u.a. in Deutschland - Bayer CropScience) (Commercial formulation Hoestar, approved in Germany, among others - Bayer CropScience)
Ethoxysulfuron 60 WG (water dispersible granule) (Handelsformulierung SunRice, zugelassen u.a. in Italien - Bayer CropScience) Ethoxysulfuron 60 WG (water dispersible granule) (commercial formulation SunRice, approved in Italy, among others - Bayer CropScience)
Die für die Versuche benötigten Wirkstoffkonzentrationen werden durch Verdünnen mit Wasser hergestellt. Die getesteten Wirkstoff-Kombinationen werden kurz vor deren biologischer Testung zusammengemischt. The drug concentrations required for the experiments are prepared by dilution with water. The tested drug combinations are mixed together shortly before their biological testing.
Post-Emergence-Test Mit der Wirkstoffzubereitung spritzt man Testpflanzen, welche eine Höhe von 5 bis 15 cm haben so, daß die jeweils gewünschten Wirkstoffmengen pro Flächeneinheit ausgebracht werden. Die Konzentration der Spritzbrühe wird so gewählt, dass in 1000 1 Wasser/ha die jeweils gewünschten Wirkstoffmengen ausgebracht werden. Nach 48 Tagen wird der Schädigungsgrad der Pflanzen bonitiert in % Schädigung im Vergleich zur Entwicklung der unbehandelten Kontrolle. Bei allen erfindungsgemäßen Herbizid- Kombinationen werden bei der Mehrheit der Testpflanzen synergistische Wirkungen beobachtet (siehe Tabellen 1 bis 18). Tabelle 1 : Post emergence test The preparation of active compound is injected into test plants which have a height of 5 to 15 cm so that the desired amounts of active substance per unit area are applied. The concentration of the spray mixture is selected so that in 1000 1 of water / ha, the respective desired amounts of active ingredient be applied. After 48 days, the degree of damage of the plants is rated in% damage compared to the development of the untreated control. In all herbicide combinations according to the invention synergistic effects are observed in the majority of the test plants (see Tables 1 to 18). Table 1 :
Tabelle 1 : Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron. Table 1: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron.
Tabelle 2: Table 2:
Tabelle 2: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron - - Table 2: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron - -
Tabelle 3 : Table 3:
Tabelle 3 : Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron.Table 3: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron.
Tabelle 4: Table 4:
Tabelle 4: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron - -Table 4: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron - -
Tabelle 5: Table 5:
Tabelle 5: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Iodosulfuron- methyl Tabelle 6: Table 5: Herbicide combination according to the invention consisting of pelargonic acid and iodosulfuron-methyl. TABLE 6
Tabelle 6: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Iodosulfüron- methyl - -Table 6: Herbicide combination according to the invention consisting of pelargonic acid and iodosulfuron-methyl - -
Tabelle 7: Table 7:
Tabelle 7: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Iodosulfuron- methyl Tabelle 8: Table 7: Herbicide combination according to the invention consisting of pelargonic acid and iodosulfuron-methyl. TABLE 8
Tabelle 8: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Iodosulfüron- methyl - 5 -Table 8: Herbicide combination according to the invention consisting of pelargonic acid and iodosulfuron-methyl - 5 -
Tabelle 9: Table 9:
Tabelle 9: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. Tabelle 10: Table 9: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. Table 10:
Tabelle 10: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Table 10: Inventive herbicide combination consisting of pelargonic acid and
Foramsulfuron und Iodosulfüron-methyl. - - Tabelle 11 : Foramsulfuron and iodosulfuron-methyl. - - Table 11:
Tabelle 11 : Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. Tabelle 12: Table 11: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. Table 12:
Tabelle 12: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. - 7 -Table 12: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. - 7 -
Tabelle 13: Table 13:
Tabelle 13: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. Tabelle 14: Table 13: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. Table 14:
Tabelle 14: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. - -Table 14: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. - -
Tabelle 15: Table 15:
Tabelle 15: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. Tabelle 16: Table 15: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. Table 16:
Tabelle 16: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. - -Table 16: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. - -
Tabelle 17: Table 17:
Tabelle 17: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. Tabelle 18: Table 17: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl. Table 18:
Tabelle 18: Erfindungsgemäße Herbizid-Kombination bestehend aus Pelargonsäure sowie Foramsulfuron und Iodosulfüron-methyl. Table 18: Herbicide combination according to the invention consisting of pelargonic acid and foramsulfuron and iodosulfuron-methyl.

Claims

Patentansprüche claims
1. Herbizid-Kombination enthaltend als Komponente (A) Pelargonsäure, und als Komponente (B) zumindest einen ALS-Inhibitor ausgewählt aus der Gruppe von1. A herbicide combination comprising as component (A) pelargonic acid, and as component (B) at least one ALS inhibitor selected from the group of
Iodosulfuron-methyl, Foramsulfuron, Mesosulfuron-methyl, Flazasulfuron, Amidosulfuron, Ethoxysulfuron und Thiencarbazone-methyl. Iodosulfuron-methyl, foramsulfuron, mesosulfuron-methyl, flazasulfuron, amidosulfuron, ethoxysulfuron and thiencarbazone-methyl.
2. Herbizid-Kombination nach Anspruch 1, wobei das Gewichtsverhältnis der Komponenten (A) und (B) im Bereich von 30000: 1 bis 12,5: 1 liegt. A herbicidal combination according to claim 1, wherein the weight ratio of the components (A) and (B) is in the range of 30,000: 1 to 12,5: 1.
3. Herbizid-Kombination nach Anspruch 2, wobei als Komponente (B) Foramsulfuron verwendet wird und das Gewichtsverhältnis zwischen der Komponente (A) und (B) dann in einem Bereich von 2000:1 bis 167: 1 liegt, oder als Komponente (B) Iodosulfuron verwendet wird und das Gewichtsverhältnis zwischen der Komponente (A) und (B) dann in einem Bereich von 30000:1 bis 1000: 1 liegt, oder als Komponente (B) Mesosulfuron verwendet wird und das Gewichtsverhältnis zwischen der3. A herbicidal combination according to claim 2, wherein as component (B) foramsulfuron is used and the weight ratio between the component (A) and (B) then in a range of 2000: 1 to 167: 1, or as component (B ) Iodosulfuron is used and the weight ratio between the component (A) and (B) is then in a range of 30000: 1 to 1000: 1, or as component (B) mesosulfuron is used and the weight ratio between the
Komponente (A) und (B) dann in einem Bereich von 4000:1 bis 333: 1 liegt, oder als Komponente (B) Thiencarbazone verwendet wird und das Gewichtsverhältnis zwischen der Komponente (A) und (B) dann in einem Bereich von 3000:1 bis 333: 1 liegt, oder als Komponente (B) Flazasulfuron verwendet wird und das Gewichtsverhältnis zwischen der Komponente (A) und (B) dann in einem Bereich von 3000:1 bis 200: 1 liegt, oder als Komponente (B) Amidosulfuron verwendet wird und das Gewichtsverhältnis zwischen der Komponente (A) und (B) dann in einem Bereich von 1000:1 bis 167: 1 liegt, oder als Komponente (B) Ethoxysulfuron verwendet wird und das Gewichtsverhältnis zwischen der Komponente (A) und (B) dann in einem Bereich von 500:1 bis 50: 1 liegt. Component (A) and (B) is then in a range of 4000: 1 to 333: 1, or as component (B) thiencarbazone is used and then the weight ratio between the component (A) and (B) in a range of 3000 : 1 to 333: 1 or as component (B) flazasulfuron is used and the weight ratio between the components (A) and (B) is then in a range from 3000: 1 to 200: 1, or as component (B) Amidosulfuron is used and the weight ratio between the components (A) and (B) is then in a range from 1000: 1 to 167: 1, or as component (B) ethoxysulfuron is used and the weight ratio between the component (A) and ( B) is then in a range of 500: 1 to 50: 1.
4. Herbizid-Kombination nach einem der vorherigen Ansprüche, wobei neben der Komponente (A) als Komponente (B) zumindest zwei unterschiedliche ALS-Inhibitoren verwendet werden. 4. A herbicidal combination according to any one of the preceding claims, wherein in addition to the component (A) as component (B) at least two different ALS inhibitors are used.
5. Herbizid-Kombination nach Anspruch 4, wobei die ALS-Inhibitoren ausgewählt sind aus der Gruppe von Iodosulfuron-methyl und Foramsulfuron. The herbicidal combination of claim 4, wherein the ALS inhibitors are selected from the group of iodosulfuron-methyl and foramsulfuron.
6. Herbizid-Kombination nach Anspruch 5, wobei die Herbizid-Kombination neben der Komponente (A) Iodosulfuron-methyl und Foramsulfuron enthält. 6. A herbicidal combination according to claim 5, wherein the herbicide combination in addition to the component (A) iodosulfuron-methyl and foramsulfuron.
7. Herbizid-Kombination nach Anspruch 6, wobei auf einen Gewichtsteil an Iodosulfuron-methyl 15-60 Gewichtsteile Foramsulfuron und 2500 - 30000 Gewichtsteile Pelargonsäure entfallen. 7. A herbicidal combination according to claim 6, wherein account for one part by weight of iodosulfuron-methyl 15-60 parts by weight of foramsulfuron and 2500 - 30000 parts by weight of pelargonic acid.
8. Herbizid-Kombination nach einem der vorherigen Ansprüche, enthaltend einen wirksamen Gehalt an Komponenten (A) und (B) und/oder zusätzlich eine oder mehrere weitere Komponenten aus der Gruppe agrochemischer Wirkstoffe anderer Art, im Pflanzenschutz übliche Zusatzstoffe und Formulierungshilfsmittel. 8. A herbicidal combination according to one of the preceding claims, comprising an effective content of components (A) and (B) and / or additionally one or more further components from the group of agrochemical active ingredients of other kind, customary in crop protection additives and formulation auxiliaries.
9. Verfahren zur Bekämpfung von Unkräutern, dadurch gekennzeichnet, dass man Herbizid- Kombinationen gemäß einem der Ansprüche 1 bis 8 auf die Unkräuter und/oder deren Lebensraum ausbringt. 9. A method for controlling weeds, characterized in that one applies herbicide combinations according to one of claims 1 to 8 to the weeds and / or their habitat.
10. Verfahren zu Bekämpfung von Unkräutern gemäß Anspruch 9, dadurch gekennzeichnet, dass man die Komponente (A) und die Komponente (B) der Herbizid-Kombination erst kurz vor Ausbringung auf die Unkräuter und/oder deren Lebensraum zusammenmischt. 10. A method for controlling weeds according to claim 9, characterized in that the component (A) and the component (B) of the herbicide combination only shortly before application to the weeds and / or their habitat mixed together.
11. Verwendung von Herbizid-Kombinationen gemäß einem der Ansprüche 1 bis 8 zur Bekämpfung von Unkräutern. 11. Use of herbicide combinations according to any one of claims 1 to 8 for controlling weeds.
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